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Finding the Fourth Proportional to 249,872.80, 374,809.20 and 222,316.60

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Solution

The fourth proportional to 249,872.80, 374,809.20 and 222,316.60 is: 333,474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,872.80 : 374,809.20 = 222,316.60 : x
  2. Step 2: Convert to fraction form
    249,872.80/374,809.20 = 222,316.60/x
  3. Step 3: Cross multiply
    249,872.80x = 374,809.20 × 222,316.60
  4. Step 4: Simplify right side
    249,872.80x = 83,326,306,992.72
  5. Step 5: Solve for x
    x = 83,326,306,992.72/249,872.80
  6. Step 6: Final answer
    x = 333,474.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.